[PDF] ACRP REPORT 4. Ground Access to Major Airports by Public Transportation AIRPORT COOPERATIVE RESEARCH PROGRAM

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Ground Access to Major Airports by Public Transportation

Table 3-3 shows that, in general, providing dedicated service does not itself guarantee high market share to rail. Looking at the 14 airports with rail mode share of 20% or higher, seven do provide dedicated service and seven do not. Increase in Mode Share Due to Dedicated Premium Service Given that every airport needs lower priced shared ground access services, the following question is raised: how much increase in rail market share would result from the addition of dedicated service to the existing shared service? This question is currently being examined by ground access planners in Chicago, New York City, and Paris. As summarized below, planners are designing higher priced rail services to O’Hare, Midway, JFK, and de Gaulle airports to serve in addition to existing lower quality rail services to those airports. Ridership data that document the experience of Heathrow airport can help answer this question. Longitudinal data have been created that describe the change in overall rail market share between Heathrow and central London resulting from the addition of highly specialized dedicated services to a system that already offered one-seat, non-dedicated services shared with all other rail system travelers. Data from before and after the addition of Heathrow dedicated services have been examined and, from these data, an expansion factor for each of the four market segments has been calculated to represent the growth in market share attributable to the addition of dedicated rail service. Importantly, the market segment most impacted by the premium service is the resident business segment, which experienced a 60% growth in market share. By contrast, resident non-business, more concerned about cost minimization, grew only by 13%. Non-resident market share to rail grew by about 40%. All in all, the addition of premium rail service to the existing shared rail service resulted in a 33% growth in rail mode share to Heathrow.

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